Admiralty Mountains vs Antarctic continent

Admiralty Mountains and Antarctic continent both are nouns.

Word	Noun	Adjective	Verb	Adverb
Admiralty Mountains	Yes	No	No	No
Antarctic continent	Yes	No	No	No

Admiralty Mountains (noun)	Antarctic continent (noun)
mountains in Antarctica to the north of Victoria Land	an extremely cold continent at the south pole almost entirely below the Antarctic Circle; covered by an ice cap up to 13,000 feet deep